-/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
+/* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */
+/* vi:set ro: */
/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
- Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This file was created with the aid of ``gdbarch.sh''.
If editing this file, please also run gdbarch.sh and merge any
changes into that script. Conversely, when making sweeping changes
to this file, modifying gdbarch.sh and using its output may prove
- easier. */
+ easier. */
#ifndef GDBARCH_H
#define GDBARCH_H
struct obstack;
struct bp_target_info;
struct target_desc;
+struct displaced_step_closure;
+struct core_regset_section;
+struct syscall;
+struct agent_expr;
+struct axs_value;
+struct stap_parse_info;
+
+/* The architecture associated with the inferior through the
+ connection to the target.
+
+ The architecture vector provides some information that is really a
+ property of the inferior, accessed through a particular target:
+ ptrace operations; the layout of certain RSP packets; the solib_ops
+ vector; etc. To differentiate architecture accesses to
+ per-inferior/target properties from
+ per-thread/per-frame/per-objfile properties, accesses to
+ per-inferior/target properties should be made through this
+ gdbarch. */
+
+/* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */
+extern struct gdbarch *target_gdbarch (void);
-extern struct gdbarch *current_gdbarch;
+/* The initial, default architecture. It uses host values (for want of a better
+ choice). */
+extern struct gdbarch startup_gdbarch;
-/* The following are pre-initialized by GDBARCH. */
+/* Callback type for the 'iterate_over_objfiles_in_search_order'
+ gdbarch method. */
+
+typedef int (iterate_over_objfiles_in_search_order_cb_ftype)
+ (struct objfile *objfile, void *cb_data);
+
+
+/* The following are pre-initialized by GDBARCH. */
extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch);
-/* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
+/* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
extern int gdbarch_byte_order (struct gdbarch *gdbarch);
-/* set_gdbarch_byte_order() - not applicable - pre-initialized. */
+/* set_gdbarch_byte_order() - not applicable - pre-initialized. */
+
+extern int gdbarch_byte_order_for_code (struct gdbarch *gdbarch);
+/* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch);
-/* set_gdbarch_osabi() - not applicable - pre-initialized. */
+/* set_gdbarch_osabi() - not applicable - pre-initialized. */
extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch);
-/* set_gdbarch_target_desc() - not applicable - pre-initialized. */
+/* set_gdbarch_target_desc() - not applicable - pre-initialized. */
-/* The following are initialized by the target dependent code. */
+/* The following are initialized by the target dependent code. */
+
+/* The bit byte-order has to do just with numbering of bits in debugging symbols
+ and such. Conceptually, it's quite separate from byte/word byte order. */
+
+extern int gdbarch_bits_big_endian (struct gdbarch *gdbarch);
+extern void set_gdbarch_bits_big_endian (struct gdbarch *gdbarch, int bits_big_endian);
/* Number of bits in a char or unsigned char for the target machine.
Just like CHAR_BIT in <limits.h> but describes the target machine.
extern int gdbarch_long_long_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit);
-/* The ABI default bit-size and format for "float", "double", and "long
- double". These bit/format pairs should eventually be combined into
- a single object. For the moment, just initialize them as a pair.
+/* Alignment of a long long or unsigned long long for the target
+ machine. */
+
+extern int gdbarch_long_long_align_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, int long_long_align_bit);
+
+/* The ABI default bit-size and format for "half", "float", "double", and
+ "long double". These bit/format pairs should eventually be combined
+ into a single object. For the moment, just initialize them as a pair.
Each format describes both the big and little endian layouts (if
useful). */
+extern int gdbarch_half_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit);
+
+extern const struct floatformat ** gdbarch_half_format (struct gdbarch *gdbarch);
+extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format);
+
extern int gdbarch_float_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
/ addr_bit will be set from it.
If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
- also need to set gdbarch_pointer_to_address and gdbarch_address_to_pointer
- as well.
+ also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
+ gdbarch_address_to_pointer as well.
ptr_bit is the size of a pointer on the target */
extern int gdbarch_addr_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit);
+/* dwarf2_addr_size is the target address size as used in the Dwarf debug
+ info. For .debug_frame FDEs, this is supposed to be the target address
+ size from the associated CU header, and which is equivalent to the
+ DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
+ Unfortunately there is no good way to determine this value. Therefore
+ dwarf2_addr_size simply defaults to the target pointer size.
+
+ dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
+ defined using the target's pointer size so far.
+
+ Note that dwarf2_addr_size only needs to be redefined by a target if the
+ GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
+ and if Dwarf versions < 4 need to be supported. */
+
+extern int gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch);
+extern void set_gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch, int dwarf2_addr_size);
+
/* One if `char' acts like `signed char', zero if `unsigned char'. */
extern int gdbarch_char_signed (struct gdbarch *gdbarch);
whole scheme for dealing with "frames" and "frame pointers" needs a
serious shakedown. */
-typedef void (gdbarch_virtual_frame_pointer_ftype) (CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
+typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer);
extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch);
-typedef void (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf);
-extern void gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf);
+typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf);
+extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf);
extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read);
+/* Read a register into a new struct value. If the register is wholly
+ or partly unavailable, this should call mark_value_bytes_unavailable
+ as appropriate. If this is defined, then pseudo_register_read will
+ never be called. */
+
+extern int gdbarch_pseudo_register_read_value_p (struct gdbarch *gdbarch);
+
+typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum);
+extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum);
+extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value);
+
extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch);
typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf);
extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch);
extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs);
+/* Assemble agent expression bytecode to collect pseudo-register REG.
+ Return -1 if something goes wrong, 0 otherwise. */
+
+extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch *gdbarch);
+
+typedef int (gdbarch_ax_pseudo_register_collect_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
+extern int gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
+extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_collect_ftype *ax_pseudo_register_collect);
+
+/* Assemble agent expression bytecode to push the value of pseudo-register
+ REG on the interpreter stack.
+ Return -1 if something goes wrong, 0 otherwise. */
+
+extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch *gdbarch);
+
+typedef int (gdbarch_ax_pseudo_register_push_stack_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
+extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
+extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_push_stack_ftype *ax_pseudo_register_push_stack);
+
/* GDB's standard (or well known) register numbers. These can map onto
a real register or a pseudo (computed) register or not be defined at
all (-1).
/* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
-typedef int (gdbarch_stab_reg_to_regnum_ftype) (int stab_regnr);
+typedef int (gdbarch_stab_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int stab_regnr);
extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr);
extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum);
/* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
-typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (int ecoff_regnr);
+typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int ecoff_regnr);
extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr);
extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum);
-/* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
-
-typedef int (gdbarch_dwarf_reg_to_regnum_ftype) (int dwarf_regnr);
-extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int dwarf_regnr);
-extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf_reg_to_regnum_ftype *dwarf_reg_to_regnum);
-
/* Convert from an sdb register number to an internal gdb register number. */
-typedef int (gdbarch_sdb_reg_to_regnum_ftype) (int sdb_regnr);
+typedef int (gdbarch_sdb_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int sdb_regnr);
extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr);
extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum);
-typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (int dwarf2_regnr);
+/* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. */
+
+typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf2_regnr);
extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr);
extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum);
-typedef const char * (gdbarch_register_name_ftype) (int regnr);
+typedef const char * (gdbarch_register_name_ftype) (struct gdbarch *gdbarch, int regnr);
extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr);
extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name);
/* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
-extern int gdbarch_unwind_dummy_id_p (struct gdbarch *gdbarch);
+extern int gdbarch_dummy_id_p (struct gdbarch *gdbarch);
-typedef struct frame_id (gdbarch_unwind_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *info);
-extern struct frame_id gdbarch_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *info);
-extern void set_gdbarch_unwind_dummy_id (struct gdbarch *gdbarch, gdbarch_unwind_dummy_id_ftype *unwind_dummy_id);
+typedef struct frame_id (gdbarch_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *this_frame);
+extern struct frame_id gdbarch_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame);
+extern void set_gdbarch_dummy_id (struct gdbarch *gdbarch, gdbarch_dummy_id_ftype *dummy_id);
-/* Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
+/* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
deprecated_fp_regnum. */
extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch);
extern int gdbarch_push_dummy_code_p (struct gdbarch *gdbarch);
-typedef CORE_ADDR (gdbarch_push_dummy_code_ftype) (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, int using_gcc, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache);
-extern CORE_ADDR gdbarch_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, int using_gcc, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache);
+typedef CORE_ADDR (gdbarch_push_dummy_code_ftype) (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache);
+extern CORE_ADDR gdbarch_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache);
extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code);
typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all);
/* MAP a GDB RAW register number onto a simulator register number. See
also include/...-sim.h. */
-typedef int (gdbarch_register_sim_regno_ftype) (int reg_nr);
+typedef int (gdbarch_register_sim_regno_ftype) (struct gdbarch *gdbarch, int reg_nr);
extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr);
extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno);
-typedef int (gdbarch_cannot_fetch_register_ftype) (int regnum);
+typedef int (gdbarch_cannot_fetch_register_ftype) (struct gdbarch *gdbarch, int regnum);
extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum);
extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register);
-typedef int (gdbarch_cannot_store_register_ftype) (int regnum);
+typedef int (gdbarch_cannot_store_register_ftype) (struct gdbarch *gdbarch, int regnum);
extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum);
extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register);
extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch);
extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion);
-typedef int (gdbarch_convert_register_p_ftype) (int regnum, struct type *type);
+typedef int (gdbarch_convert_register_p_ftype) (struct gdbarch *gdbarch, int regnum, struct type *type);
extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type);
extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p);
-typedef void (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf);
-extern void gdbarch_register_to_value (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf);
+typedef int (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep);
+extern int gdbarch_register_to_value (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep);
extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value);
typedef void (gdbarch_value_to_register_ftype) (struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf);
extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_info *frame);
extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register);
-typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct type *type, const gdb_byte *buf);
+typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address);
-typedef void (gdbarch_address_to_pointer_ftype) (struct type *type, gdb_byte *buf, CORE_ADDR addr);
+typedef void (gdbarch_address_to_pointer_ftype) (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr);
extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr);
extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer);
extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address);
-/* It has been suggested that this, well actually its predecessor,
- should take the type/value of the function to be called and not the
- return type. This is left as an exercise for the reader.
- NOTE: cagney/2004-06-13: The function stack.c:return_command uses
- the predicate with default hack to avoid calling store_return_value
- (via legacy_return_value), when a small struct is involved. */
+/* Return the return-value convention that will be used by FUNCTION
+ to return a value of type VALTYPE. FUNCTION may be NULL in which
+ case the return convention is computed based only on VALTYPE.
+
+ If READBUF is not NULL, extract the return value and save it in this buffer.
+
+ If WRITEBUF is not NULL, it contains a return value which will be
+ stored into the appropriate register. This can be used when we want
+ to force the value returned by a function (see the "return" command
+ for instance). */
extern int gdbarch_return_value_p (struct gdbarch *gdbarch);
-typedef enum return_value_convention (gdbarch_return_value_ftype) (struct gdbarch *gdbarch, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
-extern enum return_value_convention gdbarch_return_value (struct gdbarch *gdbarch, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
+typedef enum return_value_convention (gdbarch_return_value_ftype) (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
+extern enum return_value_convention gdbarch_return_value (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value);
-/* The deprecated methods extract_return_value, store_return_value,
- DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and
- deprecated_use_struct_convention have all been folded into
- RETURN_VALUE. */
-
-typedef void (gdbarch_extract_return_value_ftype) (struct type *type, struct regcache *regcache, gdb_byte *valbuf);
-extern void gdbarch_extract_return_value (struct gdbarch *gdbarch, struct type *type, struct regcache *regcache, gdb_byte *valbuf);
-extern void set_gdbarch_extract_return_value (struct gdbarch *gdbarch, gdbarch_extract_return_value_ftype *extract_return_value);
-
-typedef void (gdbarch_store_return_value_ftype) (struct type *type, struct regcache *regcache, const gdb_byte *valbuf);
-extern void gdbarch_store_return_value (struct gdbarch *gdbarch, struct type *type, struct regcache *regcache, const gdb_byte *valbuf);
-extern void set_gdbarch_store_return_value (struct gdbarch *gdbarch, gdbarch_store_return_value_ftype *store_return_value);
+/* Return true if the return value of function is stored in the first hidden
+ parameter. In theory, this feature should be language-dependent, specified
+ by language and its ABI, such as C++. Unfortunately, compiler may
+ implement it to a target-dependent feature. So that we need such hook here
+ to be aware of this in GDB. */
-typedef int (gdbarch_deprecated_use_struct_convention_ftype) (int gcc_p, struct type *value_type);
-extern int gdbarch_deprecated_use_struct_convention (struct gdbarch *gdbarch, int gcc_p, struct type *value_type);
-extern void set_gdbarch_deprecated_use_struct_convention (struct gdbarch *gdbarch, gdbarch_deprecated_use_struct_convention_ftype *deprecated_use_struct_convention);
+typedef int (gdbarch_return_in_first_hidden_param_p_ftype) (struct gdbarch *gdbarch, struct type *type);
+extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, struct type *type);
+extern void set_gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, gdbarch_return_in_first_hidden_param_p_ftype *return_in_first_hidden_param_p);
-typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (CORE_ADDR ip);
+typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip);
extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue);
+extern int gdbarch_skip_main_prologue_p (struct gdbarch *gdbarch);
+
+typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip);
+extern CORE_ADDR gdbarch_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
+extern void set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch, gdbarch_skip_main_prologue_ftype *skip_main_prologue);
+
typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs);
extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs);
extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than);
-typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr);
+typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
+/* Return the adjusted address and kind to use for Z0/Z1 packets.
+ KIND is usually the memory length of the breakpoint, but may have a
+ different target-specific meaning. */
+
+typedef void (gdbarch_remote_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr);
+extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr);
+extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_remote_breakpoint_from_pc_ftype *remote_breakpoint_from_pc);
+
extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch);
typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr);
extern CORE_ADDR gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr);
extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address);
-typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct bp_target_info *bp_tgt);
+typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint);
-typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct bp_target_info *bp_tgt);
+typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint);
extern CORE_ADDR gdbarch_frame_align (struct gdbarch *gdbarch, CORE_ADDR address);
extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align);
-/* deprecated_reg_struct_has_addr has been replaced by
- stabs_argument_has_addr. */
-
-extern int gdbarch_deprecated_reg_struct_has_addr_p (struct gdbarch *gdbarch);
-
-typedef int (gdbarch_deprecated_reg_struct_has_addr_ftype) (int gcc_p, struct type *type);
-extern int gdbarch_deprecated_reg_struct_has_addr (struct gdbarch *gdbarch, int gcc_p, struct type *type);
-extern void set_gdbarch_deprecated_reg_struct_has_addr (struct gdbarch *gdbarch, gdbarch_deprecated_reg_struct_has_addr_ftype *deprecated_reg_struct_has_addr);
-
typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type);
extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type);
extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr);
sort of generic thing to handle alignment or segmentation (it's
possible it should be in TARGET_READ_PC instead). */
-typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (CORE_ADDR addr);
+typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove);
-/* It is not at all clear why gdbarch_smash_text_address is not folded into
- gdbarch_addr_bits_remove. */
-
-typedef CORE_ADDR (gdbarch_smash_text_address_ftype) (CORE_ADDR addr);
-extern CORE_ADDR gdbarch_smash_text_address (struct gdbarch *gdbarch, CORE_ADDR addr);
-extern void set_gdbarch_smash_text_address (struct gdbarch *gdbarch, gdbarch_smash_text_address_ftype *smash_text_address);
-
/* FIXME/cagney/2001-01-18: This should be split in two. A target method that
indicates if the target needs software single step. An ISA method to
implement it.
A return value of 1 means that the software_single_step breakpoints
were inserted; 0 means they were not. */
-#if defined (SOFTWARE_SINGLE_STEP)
-/* Legacy for systems yet to multi-arch SOFTWARE_SINGLE_STEP */
-#if !defined (SOFTWARE_SINGLE_STEP_P)
-#define SOFTWARE_SINGLE_STEP_P() (1)
-#endif
-#endif
-
extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch);
-#if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP_P)
-#error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
-#endif
-#if !defined (SOFTWARE_SINGLE_STEP_P)
-#define SOFTWARE_SINGLE_STEP_P() (gdbarch_software_single_step_p (current_gdbarch))
-#endif
typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame);
extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame);
extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step);
-#if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP)
-#error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
-#endif
-#if !defined (SOFTWARE_SINGLE_STEP)
-#define SOFTWARE_SINGLE_STEP(frame) (gdbarch_software_single_step (current_gdbarch, frame))
-#endif
/* Return non-zero if the processor is executing a delay slot and a
further single-step is needed before the instruction finishes. */
typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info);
extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info);
extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn);
-#if !defined (GDB_TM_FILE) && defined (TARGET_PRINT_INSN)
-#error "Non multi-arch definition of TARGET_PRINT_INSN"
-#endif
-#if !defined (TARGET_PRINT_INSN)
-#define TARGET_PRINT_INSN(vma, info) (gdbarch_print_insn (current_gdbarch, vma, info))
-#endif
typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (struct frame_info *frame, CORE_ADDR pc);
extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc);
extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
-/* If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
+/* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
evaluates non-zero, this is the address where the debugger will place
a step-resume breakpoint to get us past the dynamic linker. */
/* Some systems also have trampoline code for returning from shared libs. */
-typedef int (gdbarch_in_solib_return_trampoline_ftype) (CORE_ADDR pc, char *name);
-extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, char *name);
+typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name);
+extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name);
extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline);
/* A target might have problems with watchpoints as soon as the stack
extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p);
-/* Given a vector of command-line arguments, return a newly allocated
- string which, when passed to the create_inferior function, will be
- parsed (on Unix systems, by the shell) to yield the same vector.
- This function should call error() if the argument vector is not
- representable for this target or if this target does not support
- command-line arguments.
- ARGC is the number of elements in the vector.
- ARGV is an array of strings, one per argument. */
-
-typedef char * (gdbarch_construct_inferior_arguments_ftype) (struct gdbarch *gdbarch, int argc, char **argv);
-extern char * gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv);
-extern void set_gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, gdbarch_construct_inferior_arguments_ftype *construct_inferior_arguments);
-
typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym);
extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym);
extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special);
extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym);
extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special);
-extern const char * gdbarch_name_of_malloc (struct gdbarch *gdbarch);
-extern void set_gdbarch_name_of_malloc (struct gdbarch *gdbarch, const char * name_of_malloc);
-
extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch);
extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint);
extern const struct regset * gdbarch_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
extern void set_gdbarch_regset_from_core_section (struct gdbarch *gdbarch, gdbarch_regset_from_core_section_ftype *regset_from_core_section);
+/* Supported register notes in a core file. */
+
+extern struct core_regset_section * gdbarch_core_regset_sections (struct gdbarch *gdbarch);
+extern void set_gdbarch_core_regset_sections (struct gdbarch *gdbarch, struct core_regset_section * core_regset_sections);
+
+/* Create core file notes */
+
+extern int gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch);
+
+typedef char * (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size);
+extern char * gdbarch_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size);
+extern void set_gdbarch_make_corefile_notes (struct gdbarch *gdbarch, gdbarch_make_corefile_notes_ftype *make_corefile_notes);
+
+/* Find core file memory regions */
+
+extern int gdbarch_find_memory_regions_p (struct gdbarch *gdbarch);
+
+typedef int (gdbarch_find_memory_regions_ftype) (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data);
+extern int gdbarch_find_memory_regions (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data);
+extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions);
+
+/* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
+ core file into buffer READBUF with length LEN. */
+
+extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch);
+
+typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
+extern LONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
+extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries);
+
+/* How the core target converts a PTID from a core file to a string. */
+
+extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch);
+
+typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid);
+extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid);
+extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str);
+
+/* BFD target to use when generating a core file. */
+
+extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch);
+
+extern const char * gdbarch_gcore_bfd_target (struct gdbarch *gdbarch);
+extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target);
+
/* If the elements of C++ vtables are in-place function descriptors rather
than normal function pointers (which may point to code or a descriptor),
set this to one. */
extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache);
extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint);
+/* The maximum length of an instruction on this architecture in bytes. */
+
+extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch);
+
+extern ULONGEST gdbarch_max_insn_length (struct gdbarch *gdbarch);
+extern void set_gdbarch_max_insn_length (struct gdbarch *gdbarch, ULONGEST max_insn_length);
+
+/* Copy the instruction at FROM to TO, and make any adjustments
+ necessary to single-step it at that address.
+
+ REGS holds the state the thread's registers will have before
+ executing the copied instruction; the PC in REGS will refer to FROM,
+ not the copy at TO. The caller should update it to point at TO later.
+
+ Return a pointer to data of the architecture's choice to be passed
+ to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
+ the instruction's effects have been completely simulated, with the
+ resulting state written back to REGS.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c.
+
+ The TO area is only guaranteed to have space for
+ gdbarch_max_insn_length (arch) bytes, so this function must not
+ write more bytes than that to that area.
+
+ If you do not provide this function, GDB assumes that the
+ architecture does not support displaced stepping.
+
+ If your architecture doesn't need to adjust instructions before
+ single-stepping them, consider using simple_displaced_step_copy_insn
+ here. */
+
+extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch);
+
+typedef struct displaced_step_closure * (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern struct displaced_step_closure * gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn);
+
+/* Return true if GDB should use hardware single-stepping to execute
+ the displaced instruction identified by CLOSURE. If false,
+ GDB will simply restart execution at the displaced instruction
+ location, and it is up to the target to ensure GDB will receive
+ control again (e.g. by placing a software breakpoint instruction
+ into the displaced instruction buffer).
+
+ The default implementation returns false on all targets that
+ provide a gdbarch_software_single_step routine, and true otherwise. */
+
+typedef int (gdbarch_displaced_step_hw_singlestep_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
+extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
+extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep);
+
+/* Fix up the state resulting from successfully single-stepping a
+ displaced instruction, to give the result we would have gotten from
+ stepping the instruction in its original location.
+
+ REGS is the register state resulting from single-stepping the
+ displaced instruction.
+
+ CLOSURE is the result from the matching call to
+ gdbarch_displaced_step_copy_insn.
+
+ If you provide gdbarch_displaced_step_copy_insn.but not this
+ function, then GDB assumes that no fixup is needed after
+ single-stepping the instruction.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c. */
+
+extern int gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup);
+
+/* Free a closure returned by gdbarch_displaced_step_copy_insn.
+
+ If you provide gdbarch_displaced_step_copy_insn, you must provide
+ this function as well.
+
+ If your architecture uses closures that don't need to be freed, then
+ you can use simple_displaced_step_free_closure here.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c. */
+
+typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
+extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
+extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure);
+
+/* Return the address of an appropriate place to put displaced
+ instructions while we step over them. There need only be one such
+ place, since we're only stepping one thread over a breakpoint at a
+ time.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c. */
+
+typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch);
+extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch);
+extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location);
+
+/* Relocate an instruction to execute at a different address. OLDLOC
+ is the address in the inferior memory where the instruction to
+ relocate is currently at. On input, TO points to the destination
+ where we want the instruction to be copied (and possibly adjusted)
+ to. On output, it points to one past the end of the resulting
+ instruction(s). The effect of executing the instruction at TO shall
+ be the same as if executing it at FROM. For example, call
+ instructions that implicitly push the return address on the stack
+ should be adjusted to return to the instruction after OLDLOC;
+ relative branches, and other PC-relative instructions need the
+ offset adjusted; etc. */
+
+extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from);
+extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from);
+extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction);
+
/* Refresh overlay mapped state for section OSECT. */
extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch);
extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect);
extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update);
+extern int gdbarch_core_read_description_p (struct gdbarch *gdbarch);
+
+typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
+extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
+extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description);
+
+/* Handle special encoding of static variables in stabs debug info. */
+
+extern int gdbarch_static_transform_name_p (struct gdbarch *gdbarch);
+
+typedef const char * (gdbarch_static_transform_name_ftype) (const char *name);
+extern const char * gdbarch_static_transform_name (struct gdbarch *gdbarch, const char *name);
+extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name);
+
+/* Set if the address in N_SO or N_FUN stabs may be zero. */
+
+extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch);
+extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing);
+
+/* Parse the instruction at ADDR storing in the record execution log
+ the registers REGCACHE and memory ranges that will be affected when
+ the instruction executes, along with their current values.
+ Return -1 if something goes wrong, 0 otherwise. */
+
+extern int gdbarch_process_record_p (struct gdbarch *gdbarch);
+
+typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
+extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
+extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record);
+
+/* Save process state after a signal.
+ Return -1 if something goes wrong, 0 otherwise. */
+
+extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch);
+
+typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal);
+extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal);
+extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal);
+
+/* Signal translation: translate inferior's signal (target's) number
+ into GDB's representation. The implementation of this method must
+ be host independent. IOW, don't rely on symbols of the NAT_FILE
+ header (the nm-*.h files), the host <signal.h> header, or similar
+ headers. This is mainly used when cross-debugging core files ---
+ "Live" targets hide the translation behind the target interface
+ (target_wait, target_resume, etc.). */
+
+extern int gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch);
+
+typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo);
+extern enum gdb_signal gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo);
+extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target);
+
+/* Extra signal info inspection.
+
+ Return a type suitable to inspect extra signal information. */
+
+extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch);
+
+typedef struct type * (gdbarch_get_siginfo_type_ftype) (struct gdbarch *gdbarch);
+extern struct type * gdbarch_get_siginfo_type (struct gdbarch *gdbarch);
+extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type);
+
+/* Record architecture-specific information from the symbol table. */
+
+extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym);
+extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym);
+extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol);
+
+/* Function for the 'catch syscall' feature.
+ Get architecture-specific system calls information from registers. */
+
+extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch);
+
+typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, ptid_t ptid);
+extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid);
+extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number);
+
+/* SystemTap related fields and functions.
+ Prefix used to mark an integer constant on the architecture's assembly
+ For example, on x86 integer constants are written as:
+
+ $10 ;; integer constant 10
+
+ in this case, this prefix would be the character `$'. */
+
+extern const char * gdbarch_stap_integer_prefix (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_integer_prefix (struct gdbarch *gdbarch, const char * stap_integer_prefix);
+
+/* Suffix used to mark an integer constant on the architecture's assembly. */
+
+extern const char * gdbarch_stap_integer_suffix (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_integer_suffix (struct gdbarch *gdbarch, const char * stap_integer_suffix);
+
+/* Prefix used to mark a register name on the architecture's assembly.
+ For example, on x86 the register name is written as:
+
+ %eax ;; register eax
+
+ in this case, this prefix would be the character `%'. */
+
+extern const char * gdbarch_stap_register_prefix (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_register_prefix (struct gdbarch *gdbarch, const char * stap_register_prefix);
+
+/* Suffix used to mark a register name on the architecture's assembly */
+
+extern const char * gdbarch_stap_register_suffix (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_register_suffix (struct gdbarch *gdbarch, const char * stap_register_suffix);
+
+/* Prefix used to mark a register indirection on the architecture's assembly.
+ For example, on x86 the register indirection is written as:
+
+ (%eax) ;; indirecting eax
+
+ in this case, this prefix would be the charater `('.
+
+ Please note that we use the indirection prefix also for register
+ displacement, e.g., `4(%eax)' on x86. */
+
+extern const char * gdbarch_stap_register_indirection_prefix (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_register_indirection_prefix (struct gdbarch *gdbarch, const char * stap_register_indirection_prefix);
+
+/* Suffix used to mark a register indirection on the architecture's assembly.
+ For example, on x86 the register indirection is written as:
+
+ (%eax) ;; indirecting eax
+
+ in this case, this prefix would be the charater `)'.
+
+ Please note that we use the indirection suffix also for register
+ displacement, e.g., `4(%eax)' on x86. */
+
+extern const char * gdbarch_stap_register_indirection_suffix (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_register_indirection_suffix (struct gdbarch *gdbarch, const char * stap_register_indirection_suffix);
+
+/* Prefix used to name a register using GDB's nomenclature.
+
+ For example, on PPC a register is represented by a number in the assembly
+ language (e.g., `10' is the 10th general-purpose register). However,
+ inside GDB this same register has an `r' appended to its name, so the 10th
+ register would be represented as `r10' internally. */
+
+extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch, const char * stap_gdb_register_prefix);
+
+/* Suffix used to name a register using GDB's nomenclature. */
+
+extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch, const char * stap_gdb_register_suffix);
+
+/* Check if S is a single operand.
+
+ Single operands can be:
+ - Literal integers, e.g. `$10' on x86
+ - Register access, e.g. `%eax' on x86
+ - Register indirection, e.g. `(%eax)' on x86
+ - Register displacement, e.g. `4(%eax)' on x86
+
+ This function should check for these patterns on the string
+ and return 1 if some were found, or zero otherwise. Please try to match
+ as much info as you can from the string, i.e., if you have to match
+ something like `(%', do not match just the `('. */
+
+extern int gdbarch_stap_is_single_operand_p (struct gdbarch *gdbarch);
+
+typedef int (gdbarch_stap_is_single_operand_ftype) (struct gdbarch *gdbarch, const char *s);
+extern int gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, const char *s);
+extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand);
+
+/* Function used to handle a "special case" in the parser.
+
+ A "special case" is considered to be an unknown token, i.e., a token
+ that the parser does not know how to parse. A good example of special
+ case would be ARM's register displacement syntax:
+
+ [R0, #4] ;; displacing R0 by 4
+
+ Since the parser assumes that a register displacement is of the form:
+
+ <number> <indirection_prefix> <register_name> <indirection_suffix>
+
+ it means that it will not be able to recognize and parse this odd syntax.
+ Therefore, we should add a special case function that will handle this token.
+
+ This function should generate the proper expression form of the expression
+ using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
+ and so on). It should also return 1 if the parsing was successful, or zero
+ if the token was not recognized as a special token (in this case, returning
+ zero means that the special parser is deferring the parsing to the generic
+ parser), and should advance the buffer pointer (p->arg). */
+
+extern int gdbarch_stap_parse_special_token_p (struct gdbarch *gdbarch);
+
+typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p);
+extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p);
+extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token);
+
+/* True if the list of shared libraries is one and only for all
+ processes, as opposed to a list of shared libraries per inferior.
+ This usually means that all processes, although may or may not share
+ an address space, will see the same set of symbols at the same
+ addresses. */
+
+extern int gdbarch_has_global_solist (struct gdbarch *gdbarch);
+extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist);
+
+/* On some targets, even though each inferior has its own private
+ address space, the debug interface takes care of making breakpoints
+ visible to all address spaces automatically. For such cases,
+ this property should be set to true. */
+
+extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch);
+extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints);
+
+/* True if inferiors share an address space (e.g., uClinux). */
+
+typedef int (gdbarch_has_shared_address_space_ftype) (struct gdbarch *gdbarch);
+extern int gdbarch_has_shared_address_space (struct gdbarch *gdbarch);
+extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space);
+
+/* True if a fast tracepoint can be set at an address. */
+
+typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg);
+extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg);
+extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at);
+
+/* Return the "auto" target charset. */
+
+typedef const char * (gdbarch_auto_charset_ftype) (void);
+extern const char * gdbarch_auto_charset (struct gdbarch *gdbarch);
+extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset);
+
+/* Return the "auto" target wide charset. */
+
+typedef const char * (gdbarch_auto_wide_charset_ftype) (void);
+extern const char * gdbarch_auto_wide_charset (struct gdbarch *gdbarch);
+extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset);
+
+/* If non-empty, this is a file extension that will be opened in place
+ of the file extension reported by the shared library list.
+
+ This is most useful for toolchains that use a post-linker tool,
+ where the names of the files run on the target differ in extension
+ compared to the names of the files GDB should load for debug info. */
+
+extern const char * gdbarch_solib_symbols_extension (struct gdbarch *gdbarch);
+extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension);
+
+/* If true, the target OS has DOS-based file system semantics. That
+ is, absolute paths include a drive name, and the backslash is
+ considered a directory separator. */
+
+extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch);
+extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system);
+
+/* Generate bytecodes to collect the return address in a frame.
+ Since the bytecodes run on the target, possibly with GDB not even
+ connected, the full unwinding machinery is not available, and
+ typically this function will issue bytecodes for one or more likely
+ places that the return address may be found. */
+
+typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope);
+extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope);
+extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address);
+
+/* Implement the "info proc" command. */
+
+extern int gdbarch_info_proc_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, char *args, enum info_proc_what what);
+extern void gdbarch_info_proc (struct gdbarch *gdbarch, char *args, enum info_proc_what what);
+extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc);
+
+/* Implement the "info proc" command for core files. Noe that there
+ are two "info_proc"-like methods on gdbarch -- one for core files,
+ one for live targets. */
+
+extern int gdbarch_core_info_proc_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_core_info_proc_ftype) (struct gdbarch *gdbarch, char *args, enum info_proc_what what);
+extern void gdbarch_core_info_proc (struct gdbarch *gdbarch, char *args, enum info_proc_what what);
+extern void set_gdbarch_core_info_proc (struct gdbarch *gdbarch, gdbarch_core_info_proc_ftype *core_info_proc);
+
+/* Iterate over all objfiles in the order that makes the most sense
+ for the architecture to make global symbol searches.
+
+ CB is a callback function where OBJFILE is the objfile to be searched,
+ and CB_DATA a pointer to user-defined data (the same data that is passed
+ when calling this gdbarch method). The iteration stops if this function
+ returns nonzero.
+
+ CB_DATA is a pointer to some user-defined data to be passed to
+ the callback.
+
+ If not NULL, CURRENT_OBJFILE corresponds to the objfile being
+ inspected when the symbol search was requested. */
+
+typedef void (gdbarch_iterate_over_objfiles_in_search_order_ftype) (struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype *cb, void *cb_data, struct objfile *current_objfile);
+extern void gdbarch_iterate_over_objfiles_in_search_order (struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype *cb, void *cb_data, struct objfile *current_objfile);
+extern void set_gdbarch_iterate_over_objfiles_in_search_order (struct gdbarch *gdbarch, gdbarch_iterate_over_objfiles_in_search_order_ftype *iterate_over_objfiles_in_search_order);
+
+/* Definition for an unknown syscall, used basically in error-cases. */
+#define UNKNOWN_SYSCALL (-1)
+
extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
data for all the various GDB components was also considered. Since
GDB is built from a variable number of (fairly independent)
components it was determined that the global aproach was not
- applicable. */
+ applicable. */
/* Register a new architectural family with GDB.
of all the previously created architures for this architecture
family. The (possibly NULL) ARCHES->gdbarch can used to access
values from the previously selected architecture for this
- architecture family. The global ``current_gdbarch'' shall not be
- used.
+ architecture family.
The INIT function shall return any of: NULL - indicating that it
doesn't recognize the selected architecture; an existing ``struct
The DUMP_TDEP function shall print out all target specific values.
Care should be taken to ensure that the function works in both the
- multi-arch and non- multi-arch cases. */
+ multi-arch and non- multi-arch cases. */
struct gdbarch_list
{
struct gdbarch_info
{
- /* Use default: NULL (ZERO). */
+ /* Use default: NULL (ZERO). */
const struct bfd_arch_info *bfd_arch_info;
/* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
int byte_order;
- /* Use default: NULL (ZERO). */
+ int byte_order_for_code;
+
+ /* Use default: NULL (ZERO). */
bfd *abfd;
- /* Use default: NULL (ZERO). */
+ /* Use default: NULL (ZERO). */
struct gdbarch_tdep_info *tdep_info;
/* Use default: GDB_OSABI_UNINITIALIZED (-1). */
/* Return a freshly allocated, NULL terminated, array of the valid
architecture names. Since architectures are registered during the
_initialize phase this function only returns useful information
- once initialization has been completed. */
+ once initialization has been completed. */
extern const char **gdbarch_printable_names (void);
/* Helper function. Search the list of ARCHES for a GDBARCH that
- matches the information provided by INFO. */
+ matches the information provided by INFO. */
extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
/* Helper function. Create a preliminary ``struct gdbarch''. Perform
basic initialization using values obtained from the INFO and TDEP
parameters. set_gdbarch_*() functions are called to complete the
- initialization of the object. */
+ initialization of the object. */
extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
/* Helper function. Free a partially-constructed ``struct gdbarch''.
It is assumed that the caller freeds the ``struct
- gdbarch_tdep''. */
+ gdbarch_tdep''. */
extern void gdbarch_free (struct gdbarch *);
#define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
-/* Helper function. Force an update of the current architecture.
+/* Helper function. Force an update of the current architecture.
The actual architecture selected is determined by INFO, ``(gdb) set
architecture'' et.al., the existing architecture and BFD's default
architecture. INFO should be initialized to zero and then selected
fields should be updated.
- Returns non-zero if the update succeeds */
+ Returns non-zero if the update succeeds. */
extern int gdbarch_update_p (struct gdbarch_info info);
set, and then finished using gdbarch_info_fill.
Returns the corresponding architecture, or NULL if no matching
- architecture was found. "current_gdbarch" is not updated. */
+ architecture was found. */
extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
-/* Helper function. Set the global "current_gdbarch" to "gdbarch".
+/* Helper function. Set the target gdbarch to "gdbarch". */
- FIXME: kettenis/20031124: Of the functions that follow, only
- gdbarch_from_bfd is supposed to survive. The others will
- dissappear since in the future GDB will (hopefully) be truly
- multi-arch. However, for now we're still stuck with the concept of
- a single active architecture. */
-
-extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
+extern void set_target_gdbarch (struct gdbarch *gdbarch);
/* Register per-architecture data-pointer.
extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
-
-/* Register per-architecture memory region.
-
- Provide a memory-region swap mechanism. Per-architecture memory
- region are created. These memory regions are swapped whenever the
- architecture is changed. For a new architecture, the memory region
- is initialized with zero (0) and the INIT function is called.
-
- Memory regions are swapped / initialized in the order that they are
- registered. NULL DATA and/or INIT values can be specified.
-
- New code should use gdbarch_data_register_*(). */
-
-typedef void (gdbarch_swap_ftype) (void);
-extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
-#define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
-
-
-
/* Set the dynamic target-system-dependent parameters (architecture,
- byte-order, ...) using information found in the BFD */
+ byte-order, ...) using information found in the BFD. */
extern void set_gdbarch_from_file (bfd *);
extern void initialize_current_architecture (void);
/* gdbarch trace variable */
-extern int gdbarch_debug;
+extern unsigned int gdbarch_debug;
extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
projects / deliverable / binutils-gdb.git / blobdiff